Water Stills

The result of decades of

experience and technical innovation: four individually applicable product ranges with 14 different models.Quality built on TraditionUsers in research labs, standard and special labs for medicine,science and industry throughout the world have been profitingfrom the precision and dependability of our products formore than 40 years, all of which comply with valid Europeanstandards and bear the CE mark.

In the future, the success of a

product spectrum of laboratorydevices that meet the toughestdemands on material, functioning anddesign will continue to be ensured Secure futureby experience of every-day use in A vested quality demand indetail, ongoing technical advances accordance with internationaland an excellent quality approach. standards is documented for all GFL laboratory products with theThe phrase Quality built on certification to DIN EN ISO 9001:2000,Tradition encompasses more promoting more trust in thethan just the sum of impressive permanent high quality level ofproduct innovations. our products.It is also an expression of ourcorporate policy, which includes a In addition to the continuoushigh degree of ready-and-waiting optimisation of ongoing productionservice as our primary customer- processes, the ISO obligationfriendly service goal. also calls for the commitment to quality awareness of our employeesThis applies to all of the GFL and the continuous developmentlaboratory products that are and rapid implementation ofproduced exclusively at our plant preventive measures to ensurein Germany - Deep Freezers, quality assurance at a high level.Shakers, Shaking Water Baths,Water Baths, Incubators orWater Stills alike. Strong partners on a high level

Fresenius, for use with tap water, and for buffer solutions and for micro- are to be understood as approximate biological and analytical applications, values. Depending on the quality of tap especially for HPLC. water, the conductivity obtained mightDecades of experience and technical easily be improved. By distilling the heated cooling water,innovation have set the standards: all units operate highly economically.GFL Water Stills produce ultra-pure, All over the world, four highly efficient They are reliable, maintenance-free,low-gas, bacteria and pyrogen free GFL Water Still ranges are offered, user and service friendly and have thedistillate with a very low conductivity. comprising 14 different models with CE mark.It is in conformity with DAB capacities of 2 12 litres per hour.requirements and international The distillate is used in research and Accessories shown in this brochurepharmacopoeia regulations. development, for instance in bacterio- are not part of the standard scope of logical and medical preparation of supply of the units. The right ofThe conductivities for each model samples and for the preparation of cell constructional modifications remainsstated in this brochure are average and tissue cultures. It is also used for reserved. Special makes are available.values, determined by Institute cleaning and sterilisation processes,

2004 Mono Water Still with storage tank 6 /7 12 /15

2008 to 2012 Mono Water Stills with storage tank 6 /7 12 /16

2102 to 2108 Double Distillers 8 /9 12 /16

2202 to 2304 Glass Mono and Bi Distillers 10 / 11 12 /17

for bench and wall mounting Water. The Origin of All life

Water is the origin of all life, an indispensable and irreplaceable natural

product for man, beast and plant. Not only is water our most important food, it also possesses the highest solubility of all known substances, a discovery that led to the production of pure water through distillation (lat. destillare / drip down) probably as early as 5,000 years ago.

Pure water. On the art of distillation.

Distillation is the most effective and reliable way of producing pure water, the exceptional quality being that the only additive required is energy. Compared to other additives, such as e.g. adsorbents or solvents, energy can easily be added to and extracted from a system. Furthermore, Water Stills require very little maintenance. Apart from regular cleaning intervals they are completely maintenance-free.

The distillation process means the phase transformation of liquids (raw

water: spring water, tap water or pretreated water) into steam and back to liquids. The transformation of liquids to steam separates effectively water from impurities having a higher boiling point than water. They remain as sediments in the condenser chamber (evaporator). The steam and some very few substances that have a lower or the same boiling point as water are brought to condensation.

Steam condensation produces distilled water, also called Aquadest

(lat. aqua destillata). This "pure water" has a purity degree of approx. 99.5% regarding salts, organic substances, micro-organisms, pyrogens and bacteria. The pH value of the produced distillate turns slightly acidic when carbon dioxide from the environmental air dissolves in the distillate. Carbon dioxide is absorbed until a dynamic balance between water and environmental air develops. Pure water should, therefore, be used up quickly or stored under airtight conditions.

Alambic with water cooling The conductivity of distillate mainly depends on the quality of raw around the distillation helmet. water and the construction of the Water Still. By connecting a second In the developmental history of distillation distillation stage (bi distillation), respectively by using special materials in equipment, this unconventional model the Water Still (glass) the purity of the distillate can be further increased. disposes of a cooling basin shaped like an oriental turban.

4 2001/2 - 2001/4

Specifications and Features

good distillate quality, conductivity approx. 2.3 s / cm at 25 C for drainage and cleaning, evapo- Compact and efficient rator is easily accessible by lifting the Product range 2001/2 and 2001/4 comprises two mono condenser. Material: stainless steel, water stills without storage tank, for bench mounting, that material no. 1.4301 produce two and four litres of distillate per hour. condenser (cooler) with baffle. Their easy handling makes them an indispensable help in Material: stainless steel, material producing high-quality distillate. no. 1.4301 heating element made of stainless steel, material no. 1.4876 thermostatic low water cut-off, to protect the heating element in case of low water thermometer to display the tempera- ture of the cooling water energy-saving through distillation of the heated cooling water distillate withdrawal through drain tube on the front of the unit cooling water inlet and outlet on the right-hand side of the unit water connection: cooling water inlet 1/2 inch (inner 12.7 mm), cooling water outlet 1/2 inch (inner 12.7 mm) degassing of carbon dioxide through vent in the condenser main switch with pilot lamp on the front of the unit 2001/4 Mono Water housing electrostatically powder- Still 4 l / h, for bench coated with epoxy resin mounting power connection through mains connection cable with German shock-proof type (Schuko) plug

The built-in distillate storage tank accepts double the thermostatic low water cut-off, to hourly capacity of the Water Still. All models have protect the heating element in case successfully proved in every-day laboratory routine. of low water They dispose of an electronic monitoring function energy-saving through distillation of which ensures a continuous production of distillate. the heated cooling water

2004 Mono Water Still 4 l / h

with built-in storage tank 8 l, for bench and wall mounting

6 degassing of carbon dioxide through cooling water pressure required: > 3 an electronic impurity detector vent in the top bar to max. 7 bar. After switching on switches the unit off in case of high evaporator with baffle is easily the main switch the solenoid valve degree impurities in the evaporator, accessible by lifting the lids. Material: opens the water supply and closes it the red pilot lamp "Clean" will glow stainless steel, material no. 1.4301 once the storage tank is full, thus drainage of the evaporator through avoiding unnecessary waste of water drain cock on the right-hand side of storage tank for distillate accepts double the hourly capacity of the cooling water outlet with hose the unit unit. Material: stainless steel, connection 3/4 inch (inner 19 mm). main switch and pilot lamps (red material no. 1.4301 Water that has not been condensed pilot lamp for operation and red flows off through the cooling water pilot lamp for cleaning) are on the condenser (cooling coil) in the outlet front of the unit storage tank, easily exchangeable. Material: stainless steel, material distillate withdrawal through the double-walled housing. Housing is no. 1.4301 drain cock on the front of the unit. made of electrolytically galvanized The drain cock can be opened in sheet steel, electrostatically powder- water supply through a built-in either continuous or touch position coated with epoxy resin solenoid valve with connection for water pressure hose 1/2 inch (inner an electronic level switch switches power connection through 12.7 mm) the still off when the storage tank is connection cable; 2 and 4 litre units full and restarts it automatically have German shock-proof type when distillate is withdrawn (Schuko) plug

Tubes for water inlet and outlet can be supplied as accessories.

7 2102 - 2108

Operation and Service Friendly

Double Distillers 2102 2108 are produced of a material combination of stainless steel / glass, without storage tank. Operating fully automatic, they produce two, four or eight litres of distillate per hour, depending on the model.

A stop valve made of

Duran glass D 50 enables mono distillate to be withdrawn

2104 Double Distiller 4 l / h,

for bench and wall mounting

8 Control panel with clear symbols for easy monitoring of operation

Specifications and Features

excellent distillate quality, conduc- required cooling water pressure: > 3 an electronic impurity detector tivity of mono-distillate approx. bar to max. 7 bar. After switching on switches the unit off in case of high 2.2 s / cm at 25 C; conductivity the main switch the solenoid valve degree impurities in the 1st stage of bi-distillate approx. 1.6 s / cm opens the water supply evaporator, the red pilot lamp at 25 C cooling water outlet with hose "Clean" will glow evaporator and baffle of the mono connection 3/4 inch (inner 19 mm). degassing of carbon dioxide through stage are easily accessible by lifting Water that has not been condensed vent on the condensers the condensers. Material: stainless flows off through the cooling water main switch and pilot lamps to steel, material no. 1.4301 outlet monitor both distillation stages are condensers (coolers): 1st stage made energy-saving through distillation of on the front of the unit of stainless steel, material no. the heated cooling water two-part housing made of electroly- 1.4301; 2nd stage including baffle distillate withdrawal: stop valve tically galvanized sheet steel, elec- made of Duran glass D 50 made of Duran glass D 50 with trostatically powder-coated with heating elements made of stainless Teflon plunger for mono distillate, epoxy resin; upper part easily remo- steel, material no. 1.4876 outlet with dust guard shield made vable through quick-release catches water supply through built-in of Duran glass D 50 for bi-distillate power connection through solenoid valve with connection for low water cut-off: float switch and connection cable water pressure hose 1/2 inch thermostatic over-temperature cut-out (inner 12.7 mm)

Tubes for water inlet and outlet can be supplied as accessories.

9 2202 - 2304

Excellent Quality and Technology

Due to their extremely low content of metal ions in the distillate our Glass Water Stills count among the top-end products in the market. GFL produces a range of five fully automatic models. Three models produce mono distillate of two, four and eight litres / hour. For bi-distillation, we offer two models with capacities of two and four litres per hour.

Specifications and Features

excellent distillate quality, conduc- Water that has not been condensed degassing of carbon dioxide through tivity of mono distillate approx. flows off through the cooling water vents on the condenser 2.2 s / cm at 25 C; conductivity outlet main and function switches as well of bi-distillate approx. 1.6 s / cm energy-saving through distillation of as pilot lamps for monitoring are on at 25 C the heated cooling water the front of the unit evaporator, condenser and overflow heating element with quartz distillate withdrawal at the right- made of Duran glass D 50. sheathing hand side of the unit through hose Condenser with dribble guard sterilisation of the condensers by connection water supply through built-in steam visible distillation process through solenoid valve with connection for easily removable, unbreakable front electronic level control during the water pressure hose 1/2 inch (inner screen that does not steam up whole distillation process 12.7 mm) water level control in the condenser housing made of electrolytically required cooling water pressure: > 3 galvanized sheet steel, electrostati- with automatic power cut-off in case bar to max. 7 bar. After switching on cally powder-coated with epoxy resin of water shortage the main switch the solenoid valve electronic impurity detector induces power connection through connec- opens the water supply automatic water change to rinse and tion cable (models 2202, 2204 and cooling water outlet with hose con- 2302 with German shock-proof clean the evaporator nection 1/2 inch (inner 12.7 mm). Schuko plug)

2202 Glass Mono Distiller 2 l / h,

Dechlorite Filter Wall Bracket

eliminates chlorine particles in for one filter, with screws to the tap water added by the local fix the filter to the wall bracket water works. Complete with connections for pressure hose 1/2 inch * (inner 12.7 mm), including first filling. The filling should be exchanged every six Order No. 2904 months. Order No. 2921 * Tubes for water inlet and outlet are not included in the Spare Filling standard scope of supply Wall Bracket for Dechlorite Filter for two filters, with one sleeve Order No. 2905 to connect the filters and screws to fix the filters to the wall bracket Phosphate Cartridge prevents scale formation in the condenser by phosphatising the tap water. Can be used from Order No. 2922 4-15dH (German hardness). Complete with connections for pressure hose 1/2 inch * (inner Wall Bracket 12.7 mm), including first filling. for three filters, with two Order No. 2906 The filling should be replaced sleeves to connect the filters according to the consumption. and screws to fix the filters to * Tubes for water inlet and the wall bracket Spare Filling outlet are not included in the for Phosphate Cartridge standard scope of supply Order No. 2907 Order No. 2923

Pre-Filter 1 m for pre-cleaning the tap water, and to protect the unit from pre- mature contamination. Food safe according to FDA regulations. Complete with connections for pressure hose 1/2 inch * (inner 12.7 mm), including filter Order No. 2912 candle. The candle should be replaced every six months. * Tubes for water inlet and out- Spare Candle let are not included in the stan- for Pre-Filter dard scope of supply Order No. 2913

Dechlorite Filter Order No. 2904 or Phosphate Cartridge Order No. 2906 or Pre-Filter Order No. 2912 Stop valve mains Water Still water supply, on-site

Phosphate Cartridge Dechlorite Filter

Order No. 2906 Order No. 2904 or Phosphate Cartridge Pre-Filter

Order No. 2906 Order No. 2912 or Dechlorite Filter Pre-Filter

Order No. 2904 Order No. 2912

Stop valve mains Water Still water supply, on-site

Phosphate Cartridge Dechlorite Filter Pre-Filter

Order No. 2906 Order No. 2904 Order No. 2912

Stop valve mains Water Still water supply, on-site

Dechlorite Filter Pre-Filter

Order No. 2904 Order No. 2912

Stop valve supply with pretreated water, on-site

Stop valve cooling Water Still water supply, with separate on-site water supply

Phosphate Cartridge Pre-Filter

Order No. 2906 Order No. 2912

Tap water supply Inlet separate water supply The connection sequence must by all means be observed

13 Accessories

2001/2 - 2001/4 2002

Hose Set Separate Water Supply

consisting of hoses for water to feed the evaporator with softened or desalinated water (pressure inlet and outlet (1.5 m) and > 1 bar) and the cooling coil (pressure > 3 bar) with phosphate- hose clips treated or normal tap water. Efficiency of the still is reduced by approx. 10 15 %

Order No. 2901

Order No. 2940

Hose Set consisting of hoses for water inlet and outlet (1.5 m) and hose clips

Order No. 2941

Hose Set consisting of hoses for water inlet and outlet (1.5 m) and hose clips, in connection with Separate Water Supply 2901

Order No. 2946

14 Accessories

Hose Set consisting of hoses for water inlet and outlet (1.5 m) and hose clips

2004 Order No. 2941

Separate Water Supply Hose Set

to feed the evaporator with softened or desalinated water (pressure consisting of hoses for water> 1 bar) and the cooling coil (pressure > 3 bar) with phosphate- inlet and outlet (1.5 m) andtreated or normal tap water. hose clips, in connection withEfficiency of the still is reduced by approx. 10 15 % Separate Water Supply 2901 or 2909Order No. 2901

Order No. 2946

Separate Water Supply with Solenoid Valveto feed the evaporator with softened or desalinated water (pressure> 1 bar) and the cooling coil (pressure > 3 bar) with phosphate-treated or normal tap water. The solenoid valve switches thepretreated water off when the storage tank is full.Efficiency of the still is reduced by approx. 10 15 %

Order No. 2909

Level Control Switch for an

External Storage Tank to switch off power and water when the external storage tank is full (not included in the standard scope of supply)

Order No. 2910

15 Accessories

Hose Set consisting of hoses for water inlet and outlet (1.5 m) and hose clips, in connection with Separate Water Supply 2901 or 2909

2008 - 2012 Order No. 2946

Separate Water Supply

to feed the evaporator with softened or desalinated water (pressure > 1 bar) and the cooling coil (pressure > 3 bar) with phosphate- treated or normal tap water. Efficiency of the still is reduced by approx. 10 15 %

Order No. 2901

2102 - 2108 Separate Water Supply with Solenoid Valve to feed the evaporator with softened or desalinated water (pressure > 1 bar) and the cooling coil (pressure > 3 bar) with phosphate- Separate Water Supply treated or normal tap water. The solenoid valve switches the to feed the evaporator with softened or desalinated water (pressure pretreated water off when the storage tank is full. > 1 bar) and the cooling coil (pressure > 3 bar) with phosphate- Efficiency of the still is reduced by approx. 10 15 % treated or normal tap water. Efficiency of the still is reduced by approx. 10 15 % Order No. 2909 Order No. 2903

Level Control Switch for an

External Storage Tank Level Control Switch for an External Storage Tank to switch off power and water to switch off power and water when the external storage tank is full when the external storage tank (not included in the standard scope of supply) is full (not included in the pict. see 2008 - 2012 standard scope of supply) Order No. 2910

Order No. 2910 Hose Set

consisting of hoses for water inlet and outlet (1.5 m) and Heating with Thermostat for the Internal Storage Tank hose clips to maintain sterility of the distillate

Order No. 2911

Order No. 2941

Hose Set consisting of hoses for water inlet and outlet (1.5 m) and Hose Set hose clips consisting of hoses for water inlet and outlet (1.5 m) and hose clips, in connection with Separate Water Supply 2903

Order No. 2941

Order No. 2947

16 Accessories

2202 - 2208 2302 - 2304

Separate Water Supply Separate Water Supply

to feed the evaporator with softened or desalinated water (pressure to feed the evaporator with softened or desalinated water (pressure> 1 bar) and the cooling coil (pressure > 3 bar) with phosphate- > 1 bar) and the cooling coil (pressure > 3 bar) with phosphate-treated or normal tap water. treated or normal tap water.Efficiency of the still is reduced by approx. 10 15 % Efficiency of the still is reduced by approx. 10 15 %

Order No. 2902 Order No. 2902

Level Control Switch for an Level Control Switch for an

External Storage Tank External Storage Tank to switch off power and water to switch off power and water when the external storage tank when the external storage tank is full (not included in the is full (not included in the standard scope of supply) standard scope of supply)